The apple maggot is a threat to the Pacific Northwest apple and pear industry. This publication provides information on the life cycle, identification, detection, and control of the pest.
Published July 1986. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
This study examined the question of whether a big island can be divided into many smaller
islands with the same pattern of area-species curve as that of the complete island. To address
this question, this study used data on the number and distribution of amphibians and
reptiles on Puerto Rico...
Dispersal of juvenile northern spotted owls (Strix occidentalis caurina) was studied in western Oregon from 1982-1985. The study was initiated to document the pattern of juvenile spotted owl dispersal, survival, habitat use, and possible effects of forest fragmentation
on the dispersing juveniles in the Pacific Northwest Douglas-fir Region. Forty-eight juveniles...
Published June 1981. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Literature and museum records have been reviewed to
provide a summary on the distribution, habitat
associations and biology of six western North American
Dicosmoecinae genera and the single eastern North
American genus, Ironoquia. Results of this survey are
presented and discussed for Allocosmoecus, Amphicosmoecus
and Ecclisomvia.
Field studies were conducted...